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Video: YouTube: Drancing accelerometer music with Wiimotes: 3D variable frequency oscillators + amplitude variation + triggered "air drum" samples

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Demonstrates combined oscillator frequency variation, amplitude variation, and triggered Drum sample ("Drumming by Dancing") modes along with Drancel RGB monitor visuals projected onto the "Drancer" performer.

For this demonstration two hand-held WiiTM Remotes on a MacBook Pro were used. (The original Drancing accelerometer suit (since 1997) used 5 triaxial accelerometers in a "body star" pattern").

FilterCh.pd

A mono filter chain with controls.

VFO.pd

Each channel of each Drancel can drive a Variable Frequency Oscillator (VFO) - in this case a simple sine oscillator - with the option of locking onto discrete MIDI note frequencies, as well as a frequency scaling, a frequency offset, and an output gain.

Filters.pd

Some of the very electronic noises generated can be a bit abrasive, especially from wide-sweeping VFOs, so it is useful to cut some very low rumble and some very high frequencies. This patch feeds stereo to some basic mono filters in FilterCh.pd.

VFOacc3D.pd

Variable Frequency Oscillators (VFOs) are grouped in a triad corresponding to the (X,Y,Z) accelerometer channels of a Drancel.

This is the most immediately powerful Drancing mode as far as aural biofeedback is concerned, and it promotes proprioception. It sounds quite sci-fi like and eerie, and reminds one of the Theremin, except there are (in the mode shown here) 3 independent frequencies, which can be made "rub" together to create beat frequencies.

Global.pd

The globals are grouped for application across all Drancels, along with RESET (defaults on) and OFF (silent) globals (via message sends), and DSP controls.

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[book] Submitted by webel on Tue, 16/12/2008 - 14:54
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